Modular Support Systems Technical Supplement - USEN July 2023 | Page 6

1.0 MODULAR SUPPORT SYSTEM MT-B-GS EDB OC ( SET ) / MT-B-GS EDB A OC
MT EDB Connectors Technical Supplement Guide
Figure 5 - MT-80 EDB Connection
Table 9 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4 , 5 , 6
Connector MT-B-GS EDB
MT-B-GS EDB A
F x lb ( kN )
F y lb ( kN )
F z lb ( kN )
M x lb ft ( kN m )
M y lb ft ( kN m )
M z lb ft ( kN m )
10,200
1,745
3,585
430
1,865
580
( 45.38 )
( 7.77 )
( 15.95 )
( 0.59 )
( 2.53 )
( 0.79 )
665
1,045
3,970
300
765
395
( 2.96 )
( 4.66 )
( 17.68 )
( 0.41 )
( 1.04 )
( 0.54 )
1 . Tabulated values are for elevator divider beam applications only . 2 . Tabulated values must be used in conjunction with the stiffness values shown in Table 11 . 3 . Minimum safety factor , Ω , for tabulated values is 2.1 . 4 . Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design ( LRFD ) values . 5 . Tabulated values are for base connector only . Design professional is responsible for checking concrete and fastener strength . 6 . Tabulated values for each connector are valid only for the assembly shown in Figure 5 .
Table 10 - Limit State Design ( LSD ) Load Data 1 , 2 , 3 , 4 , 5
A . MT-80 ( long side ) B . MT-B-GS EDB OC C . MT-B-GS EDB A OC
Figure 6 - MT-80 Girder-to-Wall EDB Connection
A . MT-80 ( long side ) B . MT-B-GS EDB A C . MT-C-GL A D . MT-90 / 100
2023
Connector MT-B-GS EDB
MT-B-GS EDB A
Table 12 - Allowable Strength Design ( ASD ) Load Data 1 , 2 , 3 , 4 , 5 , 6
F x lb ( kN )
F y lb ( kN )
F x lb ( kN )
F z lb ( kN )
F y lb ( kN )
M x lb ft ( kN m )
F z lb ( kN )
M y lb ft ( kN m )
M x lb ft ( kN m )
M z lb ft ( kN m )
665
1,045
3,970
300
765
395
( 2.96 )
( 4.66 )
( 17.68 )
( 0.41 )
( 1.04 )
( 0.54 )
M y lb ft ( kN m )
M z lb ft ( kN m )
15,330
2,625
5,390
650
2,425
750
( 68.20 )
( 11.68 )
( 23.98 )
( 0.884 )
( 3.29 )
( 1.02 )
995
1,570
5,305
455
1,155
595
( 4.43 )
( 7.00 )
( 23.62 )
( 0.62 )
( 1.57 )
( 0.81 )
1 . Tabulated values are for elevator divider beam applications only . 2 Tabulated values must be used in conjunction with the stiffness values shown in Table 11 . 3 . Maximum resistance factor , Φ , for tabulated values is 0.7 . 4 . Load values are for base connector only . Design professional is responsible for checking concrete and fastener strength . 5 . Tabulated values for each connector are valid only for the assembly shown in Figure 5 .
Table 11 - EDB Rotational Stiffness Data 1 , 2
Connector MT-B-GS EDB
MT-B-GS EDB A
1 . Tabulated values are for elevator divider beam applications only . 2 . Tabulated values must be used in conjunction with the stiffness values shown in Table 14 . 3 . Minimum safety factor , Ω , for tabulated values is 2.1 . 4 . Multiply tabulated values by 1.5 to obtain minimum Load and Resistance Factor Design ( LRFD ) values . 5 . Load values are for MT-B-GS EDB A base connector only . Design professional is responsible for checking concrete and fastener strength . Refer to the Modular Support Systems Technical Guide for MT-C-GL A capacities . 6 . Tabulated values for each connector are valid only for the assembly shown in Figure 6 .
Table 13 - Limit State Design ( LSD ) Load Data 1 , 2 , 3 , 4 , 5
F x lb ( kN )
F y lb ( kN ) k Mx lb ft / rad ( kN m / rad )
F z lb ( kN ) k My lb ft / rad ( kN m / rad )
M x lb ft ( kN m ) k Mz lb ft / rad ( kN m / rad )
9,335
132,760
34,320
( 12.66 )
( 180.00 )
( 46.54 )
6,435
24,435
31,645
( 8.73 )
( 33.13 )
( 42.91 )
1 . Rotational spring stiffness values are to be used in elevator divider beam applications . 2 . The spring stiffness , k Fx
, for MT-B-GS EDB A should be set to zero .
M y lb ft ( kN m )
M z lb ft ( kN m )
995
1,570
5,305
455
1,155
595
( 4.43 )
( 7.00 )
( 23.62 )
( 0.62 )
( 1.57 )
( 0.81 )
1 . Tabulated values are for elevator divider beam applications only . 2 . Tabulated values must be used in conjunction with the stiffness values shown in Table 14 . 3 . Maximum resistance factor , Φ , for tabulated values is 0.7 . 4 . Load values are for MT-B-GS EDB A base connector only . Design professional is responsible for checking concrete and fastener strength . Refer to the Modular Support Systems Technical Guide for MT-C-GL A capacities . 5 . Tabulated values for each connector are valid only for the assembly shown in Figure 6 .
Table 14 - EDB Girder-to-Wall Rotational Stiffness Data 1 , 2
Connector MT-B-GS EDB A
MT-C-GL A OC k Mx lb ft / rad ( kN m / rad ) k My lb ft / rad ( kN m / rad ) k Mz lb ft / rad ( kN m / rad )
6,435
43,255
38,550
( 8.73 )
( 58.65 )
( 52.27 )
133,335
55,965
40,025
( 180.78 )
( 75.88 )
( 54.27 )
1 . Rotational spring stiffness values are to be used in elevator divider beam applications . 2 . The spring stiffness , k Fx
, for MT-B-GS EDB A should be set to zero .
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